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Oracle Cloud Infrastructure 2024 Developer Professional Question and Answers

Oracle Cloud Infrastructure 2024 Developer Professional

Last Update Jun 15, 2025
Total Questions : 100

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Questions 1

(CHK_1>3) You have an e-commerce application that loads customers' transactional data into the Oracle Cloud Infrastructure (OCI) Streaming service. The data must now be extracted and transformed before sending it to a third-party REST endpoint. You have been directed to leverage the OCI Service Connector Hub to automate this process. Which configuration option would address this requirement?

Options:

A.  

Configure a new service connector as follows: • Source: Streaming • Task: Functions • Target: Functions

B.  

Configure a new service connector as follows: • Source: Streaming • Task: API Gateway • Target: Notifications

C.  

Configure a new service connector as follows: • Source: Streaming • Task: None • Target: Notifications

D.  

Configure a new service connector as follows: • Source: Streaming • Task: API Gateway • Target: Functions

E.  

Configure a new service connector as follows: • Source: Streaming • Task: Functions • Target: API Gateway

Discussion 0
Questions 2

Which of the following is defined as a configurable, low-latency infrastructure layer that controls the interaction between a network of microservices? (Choose the best answer.)

Options:

A.  

Containers

B.  

Kubernetes

C.  

CI/CD Pipelines

D.  

DevOps

E.  

Service Mesh

Discussion 0
Questions 3

Having created a Container Engine for Kubernetes (OKE) cluster, you can use Oracle Cloud Infrastructure (OCI) Logging to view and search the logs of applications running on the worker node compute instances in the cluster. Which task is NOT required to collect and parse application logs? (Choose the best answer.)

Options:

A.  

Create a dynamic group with a rule that includes all worker nodes In the cluster.

B.  

Set the OCI Logging option to Enabled for the cluster.

C.  

Enable monitoring for all worker nodes in the cluster.

D.  

Configure a custom log in OCI Logging with the appropriate agent configuration.

Discussion 0
Questions 4

Which statement accurately describes the Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE)?

Options:

A.  

OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration.

B.  

OKE service provisions a single OCI Load Balancer instance shared with all the Kubernetes services with LoadBalancer type in the YAML configuration.

C.  

OCI Load Balancer instance provisioning is triggered by the OCI Events service for each Kubernetes service with LoadBalancer type in the YAML configuration.

D.  

OCI Load Balancer instance must be manually provisioned for each Kubernetes service that requires traffic balancing.

Discussion 0
Questions 5

You have two microservices, A and B, running in production. Service A relies on APIs from service B. You want to test changes to service A without deploying all of its dependencies, which include service B. Which approach should you take to test service A?

Options:

A.  

Test using API mocks.

B.  

Test the APIs in private environments.

C.  

Test against production APIs.

D.  

There is no need to explicitly test APIs.

Discussion 0
Questions 6

A developer has created another version of a microservice and wants 10% of the traffic to flow towards it for testing purposes. The application is already configured using OCI (Oracle Cloud Infrastructure) Service Mesh. Which of the following steps is the right approach to achieve this goal?

Options:

A.  

Create a new Kubernetes deployment for the new version of the microservice and set the traffic splitting percentage to 10% in the Kubernetes service manifest.

B.  

Use Kubernetes HPA (Horizontal Pod Autoscaler) to scale the new version of the microservice to handle 10% of the traffic automatically.

C.  

Create a new entry in the routeRules field of the ingress gateway route table manifest to configure traffic splitting between the old and new versions of the microservice and set the percentage to 10%.

D.  

Create a new entry in the routeRules field of the virtual service route table manifest to configure traffic splitting between the old and new versions of the microservice and set the percentage to 10%.

Discussion 0
Questions 7

You plan to implement logging in your services that will run in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE). Which statement describes the appropriate logging approach?

Options:

A.  

All services log to standard output only.

B.  

Each service logs to its own log file.

C.  

All services log to an external logging system.

D.  

All serviceAAs log to a shared log file.

Discussion 0
Questions 8

Which of the following TWO statements are TRUE about deleting a Kubernetes cluster? (Choose two.)

Options:

A.  

Upon deleting a cluster, other resources created during the cluster creation process or associated with the cluster (such as VCNS, Internet Gateways, NAT Gateways, Route Tables, Security Lists, B. Load Balancers, and Block Volumes) are deleted automatically.

B.  

If you change the auto-generated name of a worker node and then delete the cluster, the renamed worker node is not deleted.

C.  

Upon deleting a cluster, no other resources created during the cluster creation process or associated with the cluster (such as VCNS. Internet Gateways, NAT Gateways, Route Tables, Security Lists. Load Balancers, and Block Volumes) are deleted automatically.

D.  

Changing the auto-generated name of a worker node does not affect the deletion of the worker node when the cluster in which it is created is deleted.

E.  

You cannot change the autogenerated names of the worker nodes in the format oke-c--- within a Kubernetes cluster.

Discussion 0
Questions 9

You have just finished building and compiling the software required to implement the API microservice component. You need to rebuild the API docker image, and plan to tag it as: ocIdevops/api:latest Which docker command would re-create the API docker image?

Options:

A.  

docker build -t OCIdevops/api:latest

B.  

docker create -t OCIdevops/api:latest

C.  

docker image -t OCIdevops/api:latest

D.  

docker compile -t OCI devops/api:latest

Discussion 0
Questions 10

Your team has chosen to use master encryption key (MEK) within an Oracle Cloud Infrastructure (OCI) Vault for encrypting Kubernetes secrets associated with your microservice deployments in OCI Container Engine for Kubernetes (OKE) clusters so that you can easily manage key rotation. Which of the following is NOT valid about rotating keys in the OCI Vault service?

Options:

A.  

Once rotated, older key versions can be used for encryption until they are deleted.

B.  

Both software and HSM-protected MEKS can be rotated.

C.  

When you rotate an MEK, a new key version is automatically generated.

D.  

Each key version is tracked internally with separate unique OCIDS.

Discussion 0
Questions 11

Which of these is a valid use case for OCI Queue?

Options:

A.  

Managing network traffic between services

B.  

Storing and retrieving large files

C.  

Sending real-time streaming data

D.  

Building decoupled and scalable systems

Discussion 0
Questions 12

Which is NOT a valid option to execute a function deployed in Oracle Functions?

Options:

A.  

Invoke from the Docker CLI.

B.  

Send signed HTTP requests to the function's invoke endpoint.

C.  

Invoke from the Fn Project CLI.

D.  

Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service.

E.  

Invoke from the OCI CLI.

Discussion 0
Questions 13

Which option best defines microservices?

Options:

A.  

A statically typed and compiled language.

B.  

An open-source system for automating deployment, scaling, and management of containerized applications.

C.  

A finely tuned piece of software that performs a single or small collection of tasks.

D.  

An organized collection of structured information or data, typically stored electronically in a computer system.

Discussion 0
Questions 14

You are building a container image and pushing it to Oracle Cloud Infrastructure Registry (OCIR). You need to ensure that these images never get deleted from the repository. Which action should you take?

Options:

A.  

Write a policy to limit access to the specific repository in your compartment.

B.  

Create a group and assign a policy to perform lifecycle operations on images.

C.  

Set global policy of image retention to "Retain All Images".

D.  

Edit the tenancy global retention policy.

Discussion 0
Questions 15

Which two "Action Type" options are NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition? (Choose two.)

Options:

A.  

Email

B.  

Streaming

C.  

Slack

D.  

Functions

E.  

Notifications

Discussion 0
Questions 16

You need to push a new Docker container image to a repository in the Oracle Cloud Infrastructure (OCI) Registry. Which mechanism must you use to provide authentication?

Options:

A.  

Generate an API signing key to complete the authentication via the Docker CLI.

B.  

Generate an Auth Token to complete the authentication via the OCI CLI.

C.  

Generate an API signing key to complete the authentication via the OCI CLI.

D.  

Generate an Auth Token to complete the authentication via the Docker CLI.

Discussion 0
Questions 17

You developed a microservices-based application that runs in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster. Your security team wants to use SSL termination for this application. What should you do to create a secure SSL termination for this application using the fewest steps possible?

Options:

A.  

Create a self-signed certificate and its corresponding key. Create a Kubernetes secret using the certificate and the key. Then add these annotations to the Kubernetes service: annotations: service.beta.kubernetes.io/oci-load-balancer-ssl-ports: "443" service.beta.kubernetes.io/oci-load-balancer-tls-secret: ssl certificate-secret

B.  

Create a self-signed certificate and its corresponding key. Create a Kubernetes secret using the certificate and the key. Then add these annotations to the Kubernetes service: annotations: service.beta.kubernetes.io/oci-load-balancer-ssl-ports: "443" service.beta.kubernetes.io/oci-load-balancer-security-list management-mode: "Frontend"

C.  

Add these annotations to the kubernetes service: annotations: service.beta.kubernetes.io/oci-load-balancer-ssl-ports: "443" service.beta.kubernetes.io/oci-load-balancer-ssl-secret-key: ssl secret-key

D.  

Generate a self-signed certificate using Let's Encrypt. Use that certificate on OCI Load Balancer. Create the Kubernetes service using this load balancer.

Discussion 0
Questions 18

You developed a microservices-based application that runs in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster. It has multiple endpoints that need to be exposed to the public internet. What is the most cost-effective way to expose multiple application endpoints without adding unnecessary complexity to the application?

Options:

A.  

Use a NodePort service type in Kubernetes for each of your service endpoints using the node's public IP address to access the applications.

B.  

Create a separate load balancer instance for each service using the lowest 100 Mbps option.

C.  

Use a ClusterIP service type in Kubernetes for each of your service endpoints using a load balancer to expose the endpoints.

D.  

Deploy an Ingress Controller and use it to expose each endpoint with its own routing endpoint.

Discussion 0
Questions 19

A Docker image consists of one or more layers, each of which represents a Dockerfile instruction. The layers are stacked and each one is a delta of the changes from the previous layer. What permission is associated with these layers?

Options:

A.  

read mostly

B.  

write only

C.  

movable

D.  

read only

E.  

write once

Discussion 0
Questions 20

What are the TWO main reasons you would choose to implement a serverless architecture? (Choose two.)

Options:

A.  

No need for integration testing

B.  

Automatic horizontal scaling

C.  

Easier to run long-running operations

D.  

Reduced operational cost

E.  

Improved in-function state management

Discussion 0
Questions 21

You are instructed to automate manual tasks and help software teams manage complex environments at scale using the Oracle Cloud Infrastructure (OCI) services. Which THREE OCI services can be leveraged to securely store and version your application's source code, and automate the building, testing, and deployment of applications to the OCI platform? (Choose three.)

Options:

A.  

DevOps

B.  

Container Engine for Kubernetes

C.  

Oracle APEX Application Development

D.  

Resource Manager

E.  

Oracle Cloud Infrastructure Registry

F.  

Oracle Cloud Logging Analytics

Discussion 0
Questions 22

Which of the following is NOT a criterion that is usually met by a microservice?

Options:

A.  

Organized around business capabilities.

B.  

Tightly coupled

C.  

Highly maintainable

D.  

Independently deployable

Discussion 0
Questions 23

Which technique is used for testing the entire user flow as well as the moving parts of a cloud native app, ensuring that there are no high-level discrepancies?

Options:

A.  

Contract Testing

B.  

Integration Testing

C.  

Unit Testing

D.  

Component Testing

E.  

End-to-end Testing

Discussion 0
Questions 24

Which TWO statements are true for serverless computing and serverless architectures? (Choose two.)

Options:

A.  

Serverless function execution is fully managed by third party.

B.  

Applications running on a FaaS (Functions as a Service) platform.

C.  

Long running tasks are perfectly suited for serverless.

D.  

Application DevOps team is responsible for scaling.

E.  

Serverless function state should never be stored externally.

Discussion 0
Questions 25

Which is the smalled unit of Kubernetes architecture?

Options:

A.  

Node

B.  

Container

C.  

Cluster

D.  

Pod

Discussion 0
Questions 26

What is the open source engine for Oracle Functions?

Options:

A.  

Fn Project

B.  

Apache OpenWhisk

C.  

OpenFaas

D.  

Knative

Discussion 0
Questions 27

Kubernetes includes various elements such as compute, network, and storage. Compute is essentially CPU (units) and memory (bytes). Within an OKE cluster, what is considered to be the smallest unit of deployment with respect to compute?

Options:

A.  

Container

B.  

Service

C.  

Pod

D.  

Namespace

E.  

Deployment resource

Discussion 0
Questions 28

You are building a container image and pushing it to Oracle Cloud Infrastructure Registry (OCIR). You need to ensure that these images never get deleted from the repository. Which action should you take?

Options:

A.  

Create a group and assign a policy to perform lifecycle operations on images.

B.  

Write a policy to limit access to the specific repository in your compartment.

C.  

Edit the tenancy global retention policy.

D.  

Set global policy of image retention to "Retain All Images".

Discussion 0
Questions 29

What is the difference between blue/green and canary deployment strategies? (Choose the best answer.)

Options:

A.  

In blue/green, current applications are slowly replaced with new ones. In canary, the application Is deployed Incrementally to a select group of people.

B.  

In blue/green, both old and new applications are in production at the same time. In canary, the application Is deployed incrementally to a select group of people.

C.  

In blue/green, current applications are slowly replaced with new ones. In canary, both old and new applications are in production at the same time.

D.  

In blue/green, the application Is deployed In minor Increments to a select group of people. In canary, both old and new applications are simultaneously in production.

Discussion 0
Questions 30

Which of these is NOT a valid authentication method for accessing an OCI API Gateway deployment?

Options:

A.  

HTTP Basic

B.  

API Key

C.  

OAuth

D.  

SAML Token

Discussion 0